2006 CADILLAC CTS engine

Running the Engine While Parked
It is better not to park with the engine running. But if you
ever have to, here are some things to know.
{CAUTION:
Idling the engine with the climate control
system off could allow dangerous exhaust into
your vehicle. See the earlier caution under
Engine Exhaust on page 2-37.
Also, idling in a closed-in place can let deadly
carbon monoxide (CO) into your vehicle even if
the climate control fan is at the highest setting.
One place this can happen is a garage.
Exhaust — with CO — can come in easily.
NEVER park in a garage with the engine
running.
Another closed-in place can be a blizzard. See
Winter Driving on page 4-27.
{CAUTION:
It can be dangerous to get out of your vehicle
if the automatic transmission shift lever is not
fully in PARK (P) with the parking brake rmly
set. Your vehicle can roll. Do not leave your
vehicle when the engine is running unless you
have to. If you have left the engine running,
the vehicle can move suddenly. You or others
could be injured. To be sure your vehicle will
not move, even when it is on fairly level
ground, always set the parking brake and
move the automatic transmission shift lever to
PARK (P), or the manual transmission shift
lever to NEUTRAL.
Follow the proper steps to be sure your vehicle will not
move. SeeShifting Into Park (P) (Automatic
Transmission) on page 2-34andParking Your Vehicle
(Manual Transmission) on page 2-36.
If you are parking on a hill and if you are pulling a
trailer, seeTowing a Trailer on page 4-39.
2-38

Anti-Pinch Feature Override
A condition may exist that causes the anti-pinch feature
of the sunroof to activate due to weather or an
obstruction. In an emergency, the anti-pinch feature can
be overridden in a supervised mode.
To override the anti-pinch feature rotate the sunroof
control to the closed position, then press the control
upward and continue pressing upward until the sunroof
reaches the desired position.
In this mode, the sunroof can still close on an object in
its path. Use care when using the override mode.
Vehicle Personalization
In addition to the following features, your vehicle may
also have features that can be programmed through the
Driver Information Center (DIC). SeeDIC Vehicle
Personalization on page 3-70for more information.
Memory Seat and Mirrors
If your vehicle has the memory feature, you can
program and recall memory settings for the driver’s
seating and outside rearview mirror driving positions for
up to two drivers.The buttons for this feature
are located on the driver’s
door armrest.
Use the following steps to program the buttons:
1. Adjust the driver’s seat including the seatback
recliner and both outside mirrors.
2. Press and hold button 1 for at least three seconds.
Two beeps will sound to conrm that the seat and
mirror positions have been saved.
3. Repeat the procedure for a second driver using
button 2.
If your vehicle has an automatic transmission, the
vehicle must be in PARK (P) to recall the stored driving
positions. If your vehicle has a manual transmission
and the engine is running, the parking brake must be set
to recall the memory seat driving positions. The stored
driving positions can be recalled without setting the
parking brake if the vehicle is off.
2-52

Instrument Panel Overview...............................3-4
Hazard Warning Flashers................................3-6
Other Warning Devices...................................3-6
Horn .............................................................3-6
Tilt Wheel.....................................................3-6
Recongurable Steering Wheel
Controls (SWC) (CTS).................................3-7
Turn Signal/Multifunction Lever.........................3-9
Turn and Lane-Change Signals........................3-9
Headlamp High/Low-Beam Changer.................3-10
Flash-to-Pass...............................................3-10
Windshield Wipers........................................3-11
Windshield Washer.......................................3-12
Headlamp Washer........................................3-12
Cruise Control..............................................3-13
Headlamps..................................................3-16
Wiper Activated Headlamps............................3-17
Headlamps on Reminder................................3-17
Daytime Running Lamps (DRL).......................3-17
Fog Lamps ..................................................3-19
Exterior Lighting Battery Saver........................3-20
Instrument Panel Brightness...........................3-20
Entry Lighting...............................................3-21
Parade Dimming...........................................3-21
Reading Lamps............................................3-21Accessory Power Outlet(s).............................3-21
Ashtray(s) and Cigarette Lighter......................3-22
Climate Controls............................................3-23
Dual Climate Control System..........................3-23
Outlet Adjustment.........................................3-28
Passenger Compartment Air Filter...................3-29
Steering Wheel Climate Controls (CTS)............3-30
Warning Lights, Gages, and Indicators............3-30
Instrument Panel Cluster................................3-31
Speedometer and Odometer...........................3-33
Trip Odometers............................................3-33
Tachometer.................................................3-33
Engine Speed Limiter....................................3-33
Safety Belt Reminder Light.............................3-34
Airbag Readiness Light..................................3-34
Passenger Airbag Status Indicator...................3-35
Charging System Light..................................3-37
Brake System Warning Light..........................3-38
Anti-Lock Brake System Warning Light.............3-39
Traction Control System (TCS) Warning Light......3-39
Engine Coolant Temperature
Warning Light (CTS)..................................3-40
Engine Coolant Temperature Gage..................3-40
Tire Pressure Light (CTS-V Only)....................3-41
Section 3 Instrument Panel
3-1

Malfunction Indicator Lamp.............................3-41
Oil Pressure Light.........................................3-44
Sport Mode Light (Automatic
Transmission/CTS).....................................3-45
Security Light...............................................3-45
Fog Lamp Light............................................3-45
Lights On Reminder......................................3-45
Cruise Control Light......................................3-46
Highbeam On Light.......................................3-46
Fuel Gage...................................................3-46
Message Center.............................................3-47
Message Center (CTS-V)...............................3-47
Transmission Fluid Hot Message.....................3-50
Hot Coolant Temperature Warning Message.....3-50
Check Engine Oil Pressure Message...............3-51
Oil Temperature Warning Message..................3-51
Tire Pressure Warning Message.....................3-52
One-to-Four Shift Message.............................3-52Driver Information Center (DIC).......................3-53
System Controls...........................................3-53
Status of Vehicle Systems.............................3-54
DIC Main Menu ............................................3-57
DIC Warnings and Messages.........................3-61
DIC Vehicle Personalization............................3-70
Audio System(s).............................................3-83
Setting the Time...........................................3-85
Radio with CD..............................................3-85
Navigation/Radio System..............................3-101
Theft-Deterrent Feature................................3-101
Audio Steering Wheel Controls (CTS)............3-102
Radio Reception.........................................3-102
Care of Your CDs.......................................3-103
Care of the CD Player.................................3-104
Diversity Antenna System.............................3-104
XM™ Satellite Radio Antenna System............3-104
Section 3 Instrument Panel
3-2

Automatic Operation
AUTO (Automatic):When this button is pressed and
the temperature is set, the system will automatically
control the inside temperature, the air delivery mode,
the air conditioning compressor, and the fan speed.
AUTO will appear on the display.
1. Press the AUTO button.
2. Adjust the temperature to a comfortable setting
between 70°F (21°C) and 80°F (27°C).
Choosing the coldest or warmest temperature
setting will not cause the system to heat or cool
any faster. If you set the system at the warmest
temperature setting, the system will remain in
manual mode at that temperature and it will not go
into automatic mode.
In cold weather, the system will start at reduced fan
speeds to avoid blowing cold air into your vehicle
until warmer air is available. The system will
start out blowing air at the oor but may change
modes automatically as the vehicle warms up
to maintain the chosen temperature setting. The
length of time needed for warm up will depend on
the outside temperature and the length of time
that has elapsed since your vehicle was last driven.
3. Wait for the system to regulate. This may take from
10 to 30 minutes. Then adjust the temperature, if
necessary.You can switch from English to metric units through the
Driver Information Center (DIC). If you have the Base
audio system, seeDIC Main Menu on page 3-57.Ifyou
have the Navigation system, see “Setup Menu” in the
Index of the Navigation System Owner Manual.
The air-conditioning system removes moisture from the
air, so you may sometimes notice a small amount of
water dripping underneath your vehicle while idling
or after turning off the engine. This is normal.
Do not cover the solar sensor located in the center of
the instrument panel, near the windshield. For more
information on the solar sensor, see “Sensors” later in
this section.
Manual Operation
yNz(Mode):Pressing the mode switch and
changing the mode cancels automatic operation and
places the system in manual mode. Press AUTO
to return to automatic operation.
The outboard air outlets will always receive airow
regardless of the mode selected. SeeOutlet Adjustment
on page 3-28to change this airow from the outboard
outlets.
3-24

=(Rear Window Defogger):Press this button to
turn the rear window defogger on or off. Be sure to clear
as much snow from the rear window as possible.
The rear window defogger will turn off about 10 minutes
after the button is pressed, but if the vehicle’s speed
is above 30 mph (48 km/h), the rear defogger will stay
on continuously. If turned on again, the defogger
will only run for about ve minutes before turning off.
The defogger can also be turned off by pressing
the button again or by turning off the engine.
The heated outside rearview mirrors will heat to help
clear fog or frost from the surface of the mirror when the
rear window defogger button is on. SeeOutside
Heated Mirrors on page 2-43.
Notice:Do not try to clear frost or other material
from the inside of the front windshield and rear
window with a razor blade or anything else that is
sharp. This may damage the rear window defogger
grid and affect your radio’s ability to pick up
stations clearly. The repairs wouldn’t be covered by
your warranty.
Outlet Adjustment
Use the knobs located in the center of each outlet to
change the direction of the airow. Use the thumbwheels
to open or close the outlets.
j(Side Window Defog):Turn the thumbwheel to this
symbol to use the side window defog setting. The air
coming through the outlets will be directed toward
the side windows to clear fog.
k(Open):Turn the thumbwheel to this symbol to open
the outlets completely and allow the maximum amount
of air to enter your vehicle. A small amount of air will still
be directed to the side windows.
l(Closed):Turn the thumbwheel to this symbol to
close the outlets and minimize the amount of air entering
the vehicle.
Operation Tips

Clear away any ice, snow or leaves from the air
inlets at the base of the windshield that may
block the ow of air into your vehicle.
Use of non-GM approved hood deectors may
adversely affect the performance of the system.
Keep the path under the front seats clear of objects
to help circulate the air inside of your vehicle more
effectively.
If the airow seems low when the fan speed is at
the highest setting, the passenger compartment
air lter may need to be replaced. For more
information, seePassenger Compartment Air Filter
on page 3-29.
3-28

Passenger Compartment Air Filter
The passenger compartment air lter traps most of the
pollen from the air entering your vehicle. Like your
vehicle’s engine air cleaner/lter, it needs to be changed
periodically. SeeScheduled Maintenance on page 6-4.
Using the climate control system without the passenger
air lter installed may allow water or other debris to
enter the system. This could cause a water leak
or noises. Make sure to install a new air lter after
removing the old one.
The passenger compartment air lter is located
underneath the hood below the windshield wiper arm on
the passenger’s side of the vehicle. SeeEngine
Compartment Overview on page 5-12for more
information on location.Use the procedure listed below to replace the passenger
compartment air lter:
1. Turn the ignition to ON with the engine off.
2. Turn on the windshield wipers and turn them off
again when the wipers are straight on the
windshield.
This allows you access to the leaf screen. The
passenger compartment air lter is located under
the leaf screen.
3. Open the hood to access the engine compartment.
SeeHood Release on page 5-11for more
information.
4. Remove the four screws that hold the leaf screen in
place and lift off the screen by lifting and sliding
toward the center of the vehicle.
5. Pull out on the two tabs located on each end of the
lter cover.
6. Lift the lter cover off by pulling it straight upward.
7. Remove the old lter and insert a new one.
Make sure the arrow on the lter is pointing toward
the passenger compartment.
SeeNormal Maintenance Replacement Parts on
page 6-15for the correct part number for the lter.
8. Reverse Steps 1 through 6 to reinstall the cover.
3-29

Steering Wheel Climate
Controls (CTS)
Your vehicle may have four controls that can be
programmed for use with the climate control system.
The controls are located
on the left side of the
steering wheel.
SeeRecongurable Steering Wheel Controls (SWC)
(CTS) on page 3-7for more information on programming
these controls.
Warning Lights, Gages,
and Indicators
This part describes the warning lights and gages that may
be on your vehicle. The pictures will help you locate them.Warning lights and gages can signal that something is
wrong before it becomes serious enough to cause
an expensive repair or replacement. Paying attention to
the warning lights and gages could also save you or
others from injury.
Warning lights come on when there may be or is a
problem with one of your vehicle’s functions. As you will
see in the details on the next few pages, some warning
lights come on briey when you start the engine just to let
you know they are working. If you are familiar with this
section, you should not be alarmed when this happens.
Gages can indicate when there may be or is a problem
with one of your vehicle’s functions. Often gages
and warning lights work together to let you know when
there is a problem with your vehicle.
When one of the warning lights comes on and stays on
while you are driving, or when one of the gages shows
there may be a problem, check the section that tells
you what to do about it. Waiting to do repairs can be
costly – and even dangerous. So please get to know your
warning lights and gages. They are a big help.
Your vehicle also has a Driver Information Center (DIC)
that works along with the warning lights and gages.
SeeDriver Information Center (DIC) on page 3-53for
more information.
3-30